Demos/Host/Incomplete/RNDISEthernetHost/RNDISEthernetHost.c

   1 /*
   2              LUFA Library
   3      Copyright (C) Dean Camera, 2009.
   4
   5   dean [at] fourwalledcubicle [dot] com
   6       www.fourwalledcubicle.com
   7 */
   8
   9 /*
  10   Copyright 2009  Dean Camera (dean [at] fourwalledcubicle [dot] com)
  11
  12   Permission to use, copy, modify, and distribute this software
  13   and its documentation for any purpose and without fee is hereby
  14   granted, provided that the above copyright notice appear in all
  15   copies and that both that the copyright notice and this
  16   permission notice and warranty disclaimer appear in supporting
  17   documentation, and that the name of the author not be used in
  18   advertising or publicity pertaining to distribution of the
  19   software without specific, written prior permission.
  20
  21   The author disclaim all warranties with regard to this
  22   software, including all implied warranties of merchantability
  23   and fitness.  In no event shall the author be liable for any
  24   special, indirect or consequential damages or any damages
  25   whatsoever resulting from loss of use, data or profits, whether
  26   in an action of contract, negligence or other tortious action,
  27   arising out of or in connection with the use or performance of
  28   this software.
  29 */
  30
  31 /** \file
  32  *
  33  *  Main source file for the RNDISEthernetHost demo. This file contains the main tasks of
  34  *  the demo and is responsible for the initial application hardware configuration.
  35  */
  36
  37 #include "RNDISEthernetHost.h"
  38
  39 /** Main program entry point. This routine configures the hardware required by the application, then
  40  *  enters a loop to run the application tasks in sequence.
  41  */
  42 int main(void)
  43 {
  44         SetupHardware();
  45
  46         puts_P(PSTR(ESC_FG_CYAN "RNDIS Host Demo running.\r\n" ESC_FG_WHITE));
  47
  48         LEDs_SetAllLEDs(LEDMASK_USB_NOTREADY);
  49
  50         for (;;)
  51         {
  52                 RNDIS_Host_Task();
  53                 USB_USBTask();
  54         }
  55 }
  56
  57 /** Configures the board hardware and chip peripherals for the demo's functionality. */
  58 void SetupHardware(void)
  59 {
  60         /* Disable watchdog if enabled by bootloader/fuses */
  61         MCUSR &= ~(1 << WDRF);
  62         wdt_disable();
  63
  64         /* Disable clock division */
  65         clock_prescale_set(clock_div_1);
  66
  67         /* Hardware Initialization */
  68         SerialStream_Init(9600, false);
  69         LEDs_Init();
  70         USB_Init();
  71 }
  72
  73 /** Event handler for the USB_DeviceAttached event. This indicates that a device has been attached to the host, and
  74  *  starts the library USB task to begin the enumeration and USB management process.
  75  */
  76 void EVENT_USB_Host_DeviceAttached(void)
  77 {
  78         puts_P(PSTR(ESC_FG_GREEN "Device Attached.\r\n" ESC_FG_WHITE));
  79         LEDs_SetAllLEDs(LEDMASK_USB_ENUMERATING);
  80 }
  81
  82 /** Event handler for the USB_DeviceUnattached event. This indicates that a device has been removed from the host, and
  83  *  stops the library USB task management process.
  84  */
  85 void EVENT_USB_Host_DeviceUnattached(void)
  86 {
  87         puts_P(PSTR(ESC_FG_GREEN "\r\nDevice Unattached.\r\n" ESC_FG_WHITE));
  88         LEDs_SetAllLEDs(LEDMASK_USB_NOTREADY);
  89 }
  90
  91 /** Event handler for the USB_DeviceEnumerationComplete event. This indicates that a device has been successfully
  92  *  enumerated by the host and is now ready to be used by the application.
  93  */
  94 void EVENT_USB_Host_DeviceEnumerationComplete(void)
  95 {
  96         LEDs_SetAllLEDs(LEDMASK_USB_READY);
  97 }
  98
  99 /** Event handler for the USB_HostError event. This indicates that a hardware error occurred while in host mode. */
 100 void EVENT_USB_Host_HostError(const uint8_t ErrorCode)
 101 {
 102         USB_ShutDown();
 103
 104         printf_P(PSTR(ESC_FG_RED "Host Mode Error\r\n"
 105                                  " -- Error Code %d\r\n" ESC_FG_WHITE), ErrorCode);
 106
 107         LEDs_SetAllLEDs(LEDMASK_USB_ERROR);
 108         for(;;);
 109 }
 110
 111 /** Event handler for the USB_DeviceEnumerationFailed event. This indicates that a problem occurred while
 112  *  enumerating an attached USB device.
 113  */
 114 void EVENT_USB_Host_DeviceEnumerationFailed(const uint8_t ErrorCode, const uint8_t SubErrorCode)
 115 {
 116         printf_P(PSTR(ESC_FG_RED "Dev Enum Error\r\n"
 117                                  " -- Error Code %d\r\n"
 118                                  " -- Sub Error Code %d\r\n"
 119                                  " -- In State %d\r\n" ESC_FG_WHITE), ErrorCode, SubErrorCode, USB_HostState);
 120
 121         LEDs_SetAllLEDs(LEDMASK_USB_ERROR);
 122 }
 123
 124 /** Task to set the configuration of the attached device after it has been enumerated, and to read in
 125  *  data received from the attached RNDIS device and print it to the serial port.
 126  */
 127 void RNDIS_Host_Task(void)
 128 {
 129         uint8_t ErrorCode;
 130
 131         switch (USB_HostState)
 132         {
 133                 case HOST_STATE_Addressed:
 134                         puts_P(PSTR("Getting Config Data.\r\n"));
 135
 136                         /* Get and process the configuration descriptor data */
 137                         if ((ErrorCode = ProcessConfigurationDescriptor()) != SuccessfulConfigRead)
 138                         {
 139                                 if (ErrorCode == ControlError)
 140                                   puts_P(PSTR(ESC_FG_RED "Control Error (Get Configuration).\r\n"));
 141                                 else
 142                                   puts_P(PSTR(ESC_FG_RED "Invalid Device.\r\n"));
 143
 144                                 printf_P(PSTR(" -- Error Code: %d\r\n" ESC_FG_WHITE), ErrorCode);
 145
 146                                 /* Indicate error via status LEDs */
 147                                 LEDs_SetAllLEDs(LEDMASK_USB_ERROR);
 148
 149                                 /* Wait until USB device disconnected */
 150                                 USB_HostState = HOST_STATE_WaitForDeviceRemoval;
 151                                 break;
 152                         }
 153
 154                         /* Set the device configuration to the first configuration (rarely do devices use multiple configurations) */
 155                         if ((ErrorCode = USB_Host_SetDeviceConfiguration(1)) != HOST_SENDCONTROL_Successful)
 156                         {
 157                                 printf_P(PSTR(ESC_FG_RED "Control Error (Set Configuration).\r\n"
 158                                                          " -- Error Code: %d\r\n" ESC_FG_WHITE), ErrorCode);
 159
 160                                 /* Indicate error via status LEDs */
 161                                 LEDs_SetAllLEDs(LEDMASK_USB_ERROR);
 162
 163                                 /* Wait until USB device disconnected */
 164                                 USB_HostState = HOST_STATE_WaitForDeviceRemoval;
 165                                 break;
 166                         }
 167
 168                         RNDIS_Initialize_Complete_t InitMessageResponse;
 169                         if ((ErrorCode = RNDIS_InitializeDevice(1024, &InitMessageResponse)) != HOST_SENDCONTROL_Successful)
 170                         {
 171                                 printf_P(PSTR(ESC_FG_RED "Error Initializing Device.\r\n"
 172                                                          " -- Error Code: %d\r\n" ESC_FG_WHITE), ErrorCode);
 173
 174                                 /* Indicate error via status LEDs */
 175                                 LEDs_SetAllLEDs(LEDMASK_USB_ERROR);
 176
 177                                 /* Wait until USB device disconnected */
 178                                 USB_HostState = HOST_STATE_WaitForDeviceRemoval;
 179                                 break;
 180                         }
 181
 182                         printf_P(PSTR("Device Max Transfer Size: %lu bytes.\r\n"), InitMessageResponse.MaxTransferSize);
 183
 184                         uint32_t PacketFilter = 0xFFFFFFFF;
 185                         if ((ErrorCode = RNDIS_SetRNDISProperty(OID_GEN_CURRENT_PACKET_FILTER,
 186                                                                 &PacketFilter, sizeof(PacketFilter))) != HOST_SENDCONTROL_Successful)
 187                         {
 188                                 printf_P(PSTR(ESC_FG_RED "Error Setting Device Packet Filter.\r\n"
 189                                                          " -- Error Code: %d\r\n" ESC_FG_WHITE), ErrorCode);
 190
 191                                 /* Indicate error via status LEDs */
 192                                 LEDs_SetAllLEDs(LEDMASK_USB_ERROR);
 193
 194                                 /* Wait until USB device disconnected */
 195                                 USB_HostState = HOST_STATE_WaitForDeviceRemoval;
 196                                 break;
 197                         }
 198
 199                         puts_P(PSTR("RNDIS Device Enumerated.\r\n"));
 200
 201                         USB_HostState = HOST_STATE_Configured;
 202                         break;
 203                 case HOST_STATE_Configured:
 204
 205                         break;
 206         }
 207 }